## Observation

openQA test in scenario
opensuse-15.0-NET-x86_64-update_Leap_42.1_gnome@64bit-2G fails in
[upgrade_select](https://openqa.opensuse.org/tests/647901/modules/upgrade_select/steps/5)


## Reproducible

Fails since (at least) Build [187.1](https://openqa.opensuse.org/tests/647530)


## Expected result

Last good: [184.1](https://openqa.opensuse.org/tests/646388) (or more recent)


## Further details

Always latest result in this scenario:
[latest](https://openqa.opensuse.org/tests/latest?arch=x86_64&machine=64bit-2G&distri=opensuse&version=15.0&test=update_Leap_42.1_gnome&flavor=NET)



2018-04-01 14:13:53 <3> install(3785) [libstorage] ../storage/Utils/Enum.h:76
converting 'squashfs' to enum failed
 2018-04-01 14:13:53 <3> install(3785) [libstorage] ../storage/Utils/Enum.h:76
converting 'squashfs' to enum failed
 --
 2018-04-01 14:13:54 <1> install(3785) [libstorage] SystemCmd.cc:416 stopwatch
0.579797s for "/bin/mount --read-only '/dev/vda2'
'/tmp/libstorage-YkLFjs/tmp-mount-aFD4l0' -o subvol=/"
 2018-04-01 14:13:54 <1> install(3785) [libstorage] SystemCmd.cc:436 system()
Returns:32
 2018-04-01 14:13:54 <1> install(3785) [libstorage] SystemCmd.cc:678
stderr:mount: /tmp/libstorage-YkLFjs/tmp-mount-aFD4l0: wrong fs type, bad
option, bad superblock on /dev/vda2, missing codepage or helper program, or
other error.
 2018-04-01 14:13:54 <3> install(3785) [libstorage] SystemCmd.cc:97 THROW:    
command '/bin/mount --read-only '/dev/vda2'
'/tmp/libstorage-YkLFjs/tmp-mount-aFD4l0' -o subvol=/' failed:
 2018-04-01 14:13:54 <3> install(3785) [libstorage] SystemCmd.cc:97 
 2018-04-01 14:13:54 <3> install(3785) [libstorage] SystemCmd.cc:97 stderr:
 2018-04-01 14:13:54 <3> install(3785) [libstorage] SystemCmd.cc:97 mount:
/tmp/libstorage-YkLFjs/tmp-mount-aFD4l0: wrong fs type, bad option, bad
superblock on /dev/vda2, missing codepage or helper program, or other error.
 2018-04-01 14:13:54 <3> install(3785) [libstorage] SystemCmd.cc:97 
 2018-04-01 14:13:54 <3> install(3785) [libstorage] SystemCmd.cc:97 exit code:
 2018-04-01 14:13:54 <3> install(3785) [libstorage] SystemCmd.cc:97 32
 2018-04-01 14:13:54 <3> install(3785) [libstorage] CallbacksImpl.cc:45 CAUGHT:
    command '/bin/mount --read-only '/dev/vda2'
'/tmp/libstorage-YkLFjs/tmp-mount-aFD4l0' -o subvol=/' failed:
 2018-04-01 14:13:54 <3> install(3785) [libstorage] CallbacksImpl.cc:45 
 2018-04-01 14:13:54 <3> install(3785) [libstorage] CallbacksImpl.cc:45 stderr:
 2018-04-01 14:13:54 <3> install(3785) [libstorage] CallbacksImpl.cc:45 mount:
/tmp/libstorage-YkLFjs/tmp-mount-aFD4l0: wrong fs type, bad option, bad
superblock on /dev/vda2, missing codepage or helper program, or other error.
 2018-04-01 14:13:54 <3> install(3785) [libstorage] CallbacksImpl.cc:45 
 2018-04-01 14:13:54 <3> install(3785) [libstorage] CallbacksImpl.cc:45 exit
code:
 2018-04-01 14:13:54 <3> install(3785) [libstorage] CallbacksImpl.cc:45 32